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- Title
OCENA WARTOŚCI NAWOZOWEJ POFERMENTÓW Z BIOGAZOWNI ORAZ WYTWORZONYCH Z NICH KOMPOSTÓW.
- Authors
ANNA PILARSKA, AGNIESZKA; PIECHOTA, TOMASZ; SZYMAŃSKA, MAGDALENA; PILARSKI, KRZYSZTOF; WOLNA-MARUWKA, AGNIESZKA
- Abstract
This paper is Part 2 of the paper by the same authors (Pilarska et al., 2015) concerning the use of digestate pulps (so-called "digestates") and their composts as organic fertilizers. In Part 2 of the experiment, in which the results are discussed in this paper, the resulting materials were used as organic fertilizers. The experiment was started in spring time, using samples of barren soil, obtained from agricultural land located in Wielkopolska. The effects of fertilization were referred to changes in the soil properties and to the dry matter yield of timothy-grass (Phleum pretense L.). The results of this study indicate a desirable effect of the use of digested and composted waste on the quality of soil. The use of raw manure resulted in a rather small increase in the crop yield of timothy-grass, relative to controls (from 12.5 to 14.0 g d.m. per pot). In turn, the use of liquid manure after fermentation, resulted in much higher crops, i.e. from 12.5 to 19.3 g d.m. per pot. The highest yields were obtained after the application of pulp fermentation with the addition of sugar beet (21.50 g d.m. per pot). However, the use of digestate glycerol and stillage, leading to reduced dry matter yields. The response of timothy-grass to fertilization with composted digestate pulps was virtually identical as in the case of fresh digestate pulps.
- Publication
Science, Nature, Technologies / Nauka, Przyroda, Technologie, 2016, Vol 10, Issue 3, p1
- ISSN
1897-7820
- Publication type
Article
- DOI
10.17306/J.NPT.2016.3.35